Retainer for knuckle pivot-pins.



R. P. LAMONT.

RETAINER. F03 KNUGKT-.' PIVOT PINS.

AEELIUATIOE FILED FEB. 12. 1908.

929,864. j mntea Aug. 3, 1909.'

man 274% d 9W j@ ture from tbe substance and essence of my invention or the sacrifice of any ofits benefits and advantages.

l claim:

l. In a construction of the character described, the combination of a coupler-head, a, knuckle, a knuckle pivot pin, one or more lugs on the bottoni of said coupler-liead, and a bayonet joint connection between said pivot pinand .each of saidv lugs, substantially as described.

2. ln a construction of the character described, the combination of a coupler-head, a knuckle7 a knuckle pivot pin, a lug on the bottom ot said coupler-bea d havingv a groove open at one end and closed at the other end, said groove also having a depressed portion, and a transverse supporting pin at the lower end of said knuckle pivot pin adapted to enter and leave said lgroove by turning;` said pivot pin and adapted to rest in said depression to prevent displacement of said knuckle pivot pin, substantially as described.

3. ln a construction of the character described, tbe combination of a coupler-head, a knuckle, a knuckle pivotpin, one or more lugs on the bottom oi said coupler-head each having` n curved groove a portion of Which is downwardlyfdeflected, each of said grooves beingl open at one end and closed attbe other, and a transverse supportingrin at the lower end of said knuckle pin the ends of which are adapted to enter and leave said groove by turning; said pivot pinand also adapted torest in the deflected portion. of said groove or grooves to prevent displacement of the knuckle pivot pin, substantially as described.

ROBERT P. LAMUNT. Vitnesses:

GEO. A. SGHAEFER, W7. H. LAMnRvE. 

